[    2.047797] ip (260) used greatest stack depth: 12432 bytes left
[    2.386029] ip (282) used greatest stack depth: 12384 bytes left
[    5.317751] ip (548) used greatest stack depth: 12256 bytes left
[   55.798947] netem: version 1.3
[  448.426448] ip (10066) used greatest stack depth: 12128 bytes left
[  599.378495] tc (15684) used greatest stack depth: 11936 bytes left
[  664.086404] pm_nl_ctl (18827) used greatest stack depth: 11608 bytes left